František Janák (born 1 June 1951) is a Czech glass artist.
He creates glass sculptures and commission works, and also does series production design for different Czech glassworks.
From 1971 to 1972 he was head master at the Bohemia Glassworks school, followed by three years as a glass cutter at the Co-op Výtvarná řemesla in Prague.
From 1975 to 1981 Janák studied at the Academy of Applied Arts in Prague under Prof. Stanislav Libenský.
His commissioned works include: Janák also received several prizes for industrial design in the Czech Republic.